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    <title>Document</title>
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<body>
    <script>
        var person={
            name:'张三',
            age:18,
            sex:'boy',
            sayHello:function () {
                console.log('我是'+this.name);//
            },
            speak: function(){
                this.sayHello();
                console.log('我正在说话');
            },
        };
    </script>
</body>
</html>